Catching Integer Overflows in C

Catching Integer Overflows in C

Update 20150422: clang and gcc 5 have builtins now for this, look for __builtin_add_overflow and ...概要を表示 Update 20150422: clang and gcc 5 have builtins now for this, look for __builtin_add_overflow and __builtin_mul_overflow in the documentation. That makes these macros obsolete. Note: This document and the macros make two important assumptions: There are 8 bits in a char. This is not guaranteed by the C standard, and is in fact not true on all platforms, most notably some ancient mainframes. You cou

• C